Masterpiece (S02E08)

Karl heads to Seattle to confront the deranged serial killer Tommy Cummins, aiming to provide closure for the families of Tommy's victims by unraveling his disturbing puzzles. Meanwhile, in Gibsons, Cassandra faces turmoil within the council and is caught off guard by an unexpected visit from her mother. At the same time, the police team grapples with the unsettling reality of one of their own being unaccounted for, adding to the tension of the situation.